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Cylinder Works Standard Bore Cylinder Kit (422-50014K01 / CW50014K01) | KTM 125 SX / Husqvarna TC 125 (2016-2017)

Sale price $1,187.95

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Complete high-performance standard bore cylinder kit engineered to deliver a comprehensive, ready-to-install top-end refresh for modern high-revving two-stroke motocross engines. Features a premium cast aluminum cylinder finished with a durable nickel silicon carbide (NSC) electroplate bore and diamond honed to exact specifications, paired with matching top-end components to ensure optimal ring seal, reduced friction, and superior heat dissipation under aggressive racing conditions.

Specs & Details

  • Manufacturer Part Number: 422-50014K01
  • Alternative Part Number: Cylinder Works CW50014K01
  • Kit Type: Complete Standard Bore Cylinder, Piston, and Gasket Kit
  • Bore Size: Standard (54.00 mm)
  • Material & Construction: Cast aluminum cylinder with nickel silicon carbide plating, matched with Vertex #23928 piston components

Two-Stroke Vehicle Fitment

Make Model Engine Type Year Range
KTM 125 SX Two-Stroke Motocross 2016–2017
Husqvarna TC 125 Two-Stroke Motocross 2016–2017

TSO Garage Note

Spot on—sharp eye catching that. The official manufacturer data restricts part number 422-50014K01 strictly to the 2016–2017 models (utilizing the specific Vertex #23928 piston configuration). Trying to cross-pollinate this casting into later model years will cause layout and port timing mismatches. Always verify your exact production year before teardown to guarantee a correct match.

Compatibility

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